1. Department of Neurosurgery, Istanbul Medipol University Faculty of Medicine, İstanbul, Turkey
2. Department of Neurosurgery, Ankara University Faculty of Medicine, Ankara, Turkey
3. Department of Anatomy, Gaziantep University Faculty of Medicine, Gaziantep, Turkey
4. Department of Medical Laboratory Techniques, Istanbul Medipol University School of Vocation, İstanbul, Turkey
5. Department of Neurosurgery, Silivri Anadolu Hospital, İstanbul, Turkey